S₁: We who live in the present day world are proud to call ourselves civilized.

S₆: In fact science has added to our worries.

P: But let us search our hearts and ask ourselves, ‘Has science solved our problem?’

Q: Is it because we live and dress better than our forefathers?

R: Frankly speaking, the answer is ‘No’.

S: Of course, we have the advantages of the inventions of science which our ancestors had never known.

The proper sequence should be:

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